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ensure that bca takes also lemmas into account

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-10-27 15:40:25 -07:00
parent 0919fd4075
commit 829c140087
21 changed files with 384 additions and 149 deletions
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4
src/sat/sat_lookahead.h
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@ -246,8 +246,8 @@ namespace sat {
inline bool is_true(literal l) const { return is_true_at(l, m_level); }
inline void set_true(literal l) { m_stamp[l.var()] = m_level + l.sign(); }
inline void set_undef(literal l) { m_stamp[l.var()] = 0; }
inline unsigned get_level(literal l) const { return m_stamp[l.var()] & UINT_MAX - 1; }
void set_level(literal d, literal s) { m_stamp[d.var()] = (m_stamp[s.var()] & ~0x1) + d.sign(); }
inline unsigned get_level(literal l) const { return m_stamp[l.var()] & ~0x1; }
void set_level(literal d, literal s) { m_stamp[d.var()] = get_level(s) + d.sign(); }
lbool value(literal l) const { return is_undef(l) ? l_undef : is_true(l) ? l_true : l_false; }
// set the level within a scope of the search.